《高考英语从句》PPT课件.ppt

状语从句状语从句(Adverbial clause)状语从句的定义：状语从句的定义：在在复合句复合句中由从句表示的状语中由从句表示的状语称作状语从句，它可以用来修称作状语从句，它可以用来修饰饰谓语（包括非谓语动词）、谓语（包括非谓语动词）、定语或状语，或是整个句子定语或状语，或是整个句子。状语从句状语从句的分类的分类(9类）类）时间状语从句时间状语从句(when,whenever,as,while,before,after,since（自从）（自从）,till/untill,as soon as等）等）地点状语从地点状语从句句(where,wherever)方式状语从句方式状语从句(as,as if=as though)原因状语从句原因状语从句(because=in that,since(既然）既然）=now that）目的状语从句目的状语从句(so that,in order that)结果状语从句结果状语从句(sothat,such that注意区别注意区别as)条件状语从句条件状语从句(if,unless,as/so long as,once.)让步状语从句让步状语从句(as,though,although，even if,even though)比较状语从句比较状语从句(than,as.as,not soas;the+比较级，比较级，the+比较级）比较级）I.Adverbial clause of condition (条件状语从句条件状语从句)I.if“如果如果”;虚拟语气和陈述语气虚拟语气和陈述语气II.unless(=if not)意为意为“除非除非,如果不如果不”。III.in case(万一，以防万一万一，以防万一）,on condition that，providing，provided(that)，supposing，suppose(that)IV.as/so long as（只要只要）once(一旦一旦）“假如，假如，假使，假使，在在条件下条件下”(比比if更书面化更书面化)1.The man will have to wait all day _ the doctor works faster.A.if B.unless C.whether D.that B.2.The WTO cant live up to its name _ it C.doesnt include a country that is home to one D.fifth of mankind.(NMET 2000)E.as long as B.while C.if D.even though3.If you want to do the job once more,youd betterBe more careful _ you make mistakes.A.in case B.when C.where D.so that4.In time of serious accidents,_we know some basic things about first aid,we can save lives.A.Whether B.until C.if D.unlessA1.though,although(尽管尽管）but,still(yet/nevertheless)Though adv.放于句末，放于句末，“然而，可是，不过然而，可是，不过”She promised to phone.I heard nothing,though.2.as（尽管，必须用倒装（尽管，必须用倒装 though）3.even if,even though（即使）（即使）4.whether.or.（不论是否（不论是否）5.no matter+疑问词疑问词 疑问词疑问词-ever however whatever 6.While 放于句首放于句首II.Adverbial clause of concession(让步状语从句）让步状语从句）Whether you come in winter or summer,you will find it a nice place to live in.Whatever the reason(is),he refuses to go.She would tell him whatever the news he got.No matter who you are,you must keep the law.=whoever you are,you must keep the law.Whoever comes will be welcome.1.You should have a good rest at the weekend _much work you have to do.(期末测试题期末测试题)A.however B.whichever B.C.whatever D.even ifC.2.The old tower must be saved,_the cost.（05浙江）浙江）A.however B.whatever D.C.whichever D.whereverE.3.Much _the young couple needed moneyF.to make the down payment(付首期付首期)for the G.apartment,they wouldnt ask their parentsH.for help.A.although B.as C.even if D.while-What should I wear to attend his wedding party?-Dress _you like.A.What B.however C.whatever D.if anyB_ 从句中谓语从句中谓语v.既可是既可是延续性的延续性的/终止性的终止性的._“一边一边一边一边”，“随着随着”，区别区别with_引导的从句中的动词必须是引导的从句中的动词必须是延续性延续性的的whenaswhile 1 when/as/while As the time passes by,I know more and more English words.With the passing of time,I know more and more English words.时间状语从句应注意的问题时间状语从句应注意的问题II.As II.As 的用法小结的用法小结(非常非常6+1)6+1)1)As she grew older,she gained in confidence.3)As we all know,the 2008 Olympic Games was held on August 8th.2)Always do to the others as you would be done by.4)Much as he likes the car,he cant afford it.Object as you may,Ill go.Child as he is,he knows what is the right to do.5)As the weather is so bad,we have to delay our journey.6)what do you think of the concert?-I really enjoy it.I didnt expect it was as wonderful.(as it is)7)He is famous as a movie star.1）时间状语从句时间状语从句 当当时候，一边时候，一边一边（伴随）一边（伴随）2）方式状语从句）方式状语从句(as 不做成分）不做成分）按照按照方式方式5）原因状语从句）原因状语从句 因为，由于因为，由于6）比较状语从句）比较状语从句 （asas not so.as)7）介词：作为）介词：作为 3）定语从句）定语从句(as做成分做成分)正如，好像正如，好像 as we all know/as is the case/as is known to all/as we can see4）让步状语从句让步状语从句(倒装倒装,从句中状语，表语，动词置于从句中状语，表语，动词置于as 之前之前)虽然，尽管虽然，尽管连词连词6种用法种用法+介词介词1种用法：种用法：III.While 用法小結用法小結 1.时间状语从句：当时间状语从句：当时候，时候，从句动词多为延续性从句动词多为延续性的，的，或或多为进行时态多为进行时态3 连词，表示对比连词，表示对比 然而，可是然而，可是2让步状语从句让步状语从句(置于句首置于句首)：虽然：虽然,尽管尽管1)While I am writing this,you can be doing sth else.3)Some people waste food while others havent enough.2)While I admit he isnt perfect,I still love him.1.I was doing my homework when he came.=He was about to go out when the phone rang.3.He had just arrived home when his mother asked him to have dinner.2.I was on the point of going out when he came.Summary 1:表示表示“这时突然的这时突然的”句型句型be doing when正在做正在做这时这时突然突然be on the point of doing when=be about to dowhen (正要做正要做这时这时突然突然）had just donewhen(刚做完某事这时刚做完某事这时突然突然）IV.When 用法小結：用法小結：1）It was foolish of you to take a taxi when you could easily walk there in 5 minutes.2）Why did you train to be a teacher when you didnt love children?3）How can we explain it to you when you wont listen.Observe the following sentences and tell the meaning of“when”4）既然你有这么好的工作，为什么还要找新的呢？）既然你有这么好的工作，为什么还要找新的呢？5）既然你有车，为什么还要步行呢？）既然你有车，为什么还要步行呢？Summary 2:When 表示在表示在情况下，可译成既然情况下，可译成既然Finish the exercises:Possible answers:1.Why do you want a new job when youve got such a good one already?2.Why do you walk when you have a car?(1)as soon as(2)had hardly/scarcely donewhen sb.did had no sooner donethan sb.did (一一就就）(3)The second/minute/moment/instant;(4)directly,instantly,immediately(连词）连词）VI.表示表示“一一就就”的句型的句型 此外：注意时间状语从句中此外：注意时间状语从句中n.做做conj.the first/second/last time;every time,next time，by the time（连词（连词)第第次次 The first time I saw him,I fell in love with him.I fell in love with him the first time I saw him.Ill visit him next time I go to Beijing.Summary:It is/was/will be+时间段时间段+before (多久之后才多久之后才）It isnt/wasnt/will not be+时间段时间段+before (不久之后就不久之后就.)before:还没来得及还没来得及就就.1)It will be a long time before we meet again.2)It was a long time before we met again.3)It wont be long before he gains success.4)Why didt you tell him about the meeting?-He rushed out of the room before I could say a word.VII The use of“before”时态的一致和含义时态的一致和含义summary 1:It has been/is+时间段时间段+since过去时过去时It had been/was+时间段时间段+since.过去完成时过去完成时 （从（从开始已经多久了）开始已经多久了）It has been a long time since we last met.It was ten years since we had had such a wonderful time.Translate the following sentences:It has been four years since I was a student.It has been years since I enjoyed myself so much.VIII.The use of“since”:Summary 2:since 从句中的动词如果是延续性动词，应该反着译从句中的动词如果是延续性动词，应该反着译IX.till/untiluntil/till“直到直到止止”(肯定句中，主句肯定句中，主句V.延续延续V.)notuntil“直到直到才才”(否定句中，主句否定句中，主句V.终止终止V.)until 可用于倒装句和强调句可用于倒装句和强调句till不用于句首不用于句首She didnt finished her homework until I returned home.Not until I returned did she finish her homework.It was not until I returned home that she finished her homework.原因状语从句原因状语从句1.For 的用法的用法2.在强调句中只能用在强调句中只能用because3.记住几个易忘的连词：记住几个易忘的连词：since,now that,in that,given that,seeing that,considering that目的状语从句：目的状语从句：1.In case 可以引导条件可以引导条件(多放于句首）和目的多放于句首）和目的状语从句（从句常用虚拟），分别翻译状语从句（从句常用虚拟），分别翻译“如果，如果，万一万一”和和“以防以防”In case I forget,please remind me about it.Ive drawn some money form the bank in case you should need it.2.lest,for fear that“唯恐唯恐”He ran away lest he(should/might)be seen.他怕人家看见他而跑开了他怕人家看见他而跑开了.比较状语从句比较状语从句:As air is to man,(so）water is to fish.恰如恰如一样一样=Air is man what water is to fish.（平衡结构）（平衡结构）X 状语从句的省略状语从句的省略Look out for cars when crossing the street.If possible,Id like to have two copies of it.She advised me not to say anything unless asked/if not asked.when you are crossingIf it is possibleunless I was askedBefore being used，the machine must be oiled.After being introduced,they shook hands with each other.主语一致原则主语一致原则,连词连词+doing、done,adj,n.